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Chanaka Abeysinghe chanakasan

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@chanakasan
chanakasan / angular-jqueryui-dnd.html
Created April 1, 2016 13:17 — forked from codef0rmer/angular-jqueryui-dnd.html
AngularJS + jQueryUI Drag & Drop
<!DOCTYPE html>
<html ng-app="App">
<head>
<meta name="description" content="AngularJS + jQuery UI Drag-n-Drop" />
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/angular.js/1.0.1/angular.min.js"></script>
<link href="http://ajax.googleapis.com/ajax/libs/jqueryui/1/themes/base/jquery-ui.css" rel="stylesheet" type="text/css" />
<link href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.1.1/css/bootstrap.min.css" rel="stylesheet">
<script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1/jquery-ui.min.js"></script>
<meta charset=utf-8 />
@chanakasan
chanakasan / tasks_controller_refactoring.rb
Created February 5, 2016 05:04 — forked from ryanb/tasks_controller_refactoring.rb
Variation of RubyTapas episode "021 Domain Model Events" without using callbacks
class TasksController < ApplicationController
def update
tracker = TaskTracker.new(@task)
if @task.update_attributes(params[:task])
TaskPusher.new(tracker, socket_id).push_changes
TaskMailSender.new(tracker, current_user).deliver_email
# success response
else
# failure respond
end
@chanakasan
chanakasan / favorite-mappings.vim
Last active January 9, 2016 03:41
Favorite Vim Mappings
"=== NORMAL MODE ===
" visual select inner word
nnoremap vv viw
" visual select to the end of line
nnoremap vV vg_
" yank to the end of line
nnoremap Y y$
@chanakasan
chanakasan / meta-programming.php
Created December 31, 2015 04:37 — forked from ziadoz/meta-programming.php
Basic Meta Programming with PHP 5.4
<?php
trait MetaClass
{
protected $__classMethods = array();
static protected $__staticMethods = array();
public function __call($name, $args)
{
@chanakasan
chanakasan / virtual_proxy.rb
Last active November 13, 2015 13:20
Ruby Virtual Proxy Pattern
class VirtualProxy < BasicObject
def initialize(&loader)
@loader = loader
@object = nil
end
def method_missing(name, *args, &block)
__load__
@object.public_send(name, *args, &block)
end
@chanakasan
chanakasan / constraint_staff.rb
Last active September 2, 2015 16:41 — forked from stevenharman/constraint_staff.rb
Use Routing Constraints to limit access to Rails Routes. An example from Brewdega Cellar app.
module Constraint
class Staff
def matches?(request)
warden(request).authenticated? &&
warden(request).user.staff?
end
private
@chanakasan
chanakasan / database_cleaner.rb
Last active August 29, 2015 14:22 — forked from jsteiner/database_cleaner.rb
RSpec.configure do |config|
config.before(:suite) do
DatabaseCleaner.clean_with(:truncation)
end
config.before(:each) do
DatabaseCleaner.strategy = :transaction
end
config.before(:each, js: true) do
@chanakasan
chanakasan / WebDriver_Mocha
Last active August 29, 2015 14:16 — forked from patoi/WebDriver_Mocha
/*
* Selenium WebDriver JavaScript test with Mocha and NodeJS
*
* Start with: SELENIUM=PATH_TO_SELENIUM_JAR/selenium-server-standalone-2.31.0.jar mocha -t 10000 -R list google-sample.js
*
* Download selenium-server-standalone-2.31.0.jar from https://selenium.googlecode.com/files/selenium-server-standalone-2.31.0.jar
* 'sudo su' and 'npm install -g colors mocha selenium-webdriver'
*
* http://visionmedia.github.io/mocha/
* https://code.google.com/p/selenium/wiki/WebDriverJs
@chanakasan
chanakasan / contacts.js
Last active August 29, 2015 14:15 — forked from troyk/contacts.js
// Don't care much about inheritance at this point, but I'll probably attempt it at
// some point via cloning ancestor schema's
var mongoose = require('mongoose'),
Schema = mongoose.Schema;
var Contact = new Schema({
_type: String,
name: String
});
@chanakasan
chanakasan / insert-text-at-cursor.js
Created August 8, 2014 01:44
/**
* insertTextAtCursor
* An Utility function
* @param href
* @param selectedText
*/
function insertTextAtCursor(href, selectedText) {
var html = "<a href='" + href + "'>" + selectedText + "</a>";
var selectPastedContent = false;
var sel, range;